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path: root/src/regex/fnmatch.c
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2012-04-28new fnmatch implementationRich Felker1-131/+273
unlike the old one, this one's algorithm does not suffer from potential stack overflow issues or pathologically bad performance on certain patterns. instead of backtracking, it uses a matching algorithm which I have not seen before (unsure whether I invented or re-invented it) that runs in O(1) space and O(nm) time. it may be possible to improve the time to O(n), but not without significantly greater complexity.
2012-04-26update fnmatch to POSIX 2008 semanticsRich Felker1-4/+11
an invalid bracket expression must be treated as if the opening bracket were just a literal character. this is to fix a bug whereby POSIX left the behavior of the "[" shell command undefined due to it being an invalid bracket expression.
2011-06-05eliminate (harmless in this case) vla usage in fnmatch.cRich Felker1-1/+1
2011-02-12initial check-in, version 0.5.0v0.5.0Rich Felker1-0/+150